Brass sector / ruler. 18th century. Butterfield, Paris.

Brass sector / ruler. 18th century. Butterfield, Paris.



18th c.


Small brass sector / ruler by \’Butterfield, Paris\’ – excellent condition.

Length 4.5\” ( 11.5 cms) which includes the half circular hinge. Thickness 3.5 mm.

With various scales.

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GB Scientific Inspirations

Scientific Inspirations

I live in Lancashire (U.K.) and have been a dealer and collector of scientific and nautical instruments for a number of years. My stock has included some fine items from museums and colleges, which were surplus to their requirements. I occasionally purchase some interesting items from abroad, having established some reliable sources.

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